Relation History: 2792666

Resolve duplicate relations for Sanilac County, Michigan after import

fixing end_dates on Newberry AHCB county chrono relations

license	CC0-1.0
name	Sanilac County
place	county
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries
start_date	1848-04-03
start_event	SANILAC created by Michigan Territory from ST. CLAIR and from Non-County Area 2 attached to OAKLAND.
type	chronology
wikidata	Q82510
wikipedia	en:Sanilac County, Michigan

4 members

Uploading chronology relations for Newberry Library Atlas of Historic County Boundaries Part 5/10

end_date	2020-12-31
license	CC0-1.0
name	Sanilac County
place	county
source	https://publications.newberry.org/ahcbp/downloads/united_states.html
source:name	Newberry Library Atlas of Historical County Boundaries
start_date	1848-04-03
start_event	SANILAC created by Michigan Territory from ST. CLAIR and from Non-County Area 2 attached to OAKLAND.
type	chronology
wikidata	Q82510
wikipedia	en:Sanilac County, Michigan

4 members

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